Built for a soft smooth, running sensation that feels like floating, the Mizuno Womens Wave Sky 9 in Odyssey GreyStriking CoralIris Bloom is perfect for long easy runs. With a soft, cushioned, and energetic midsole made from nitrogen infused ENERZY NXT the Mizuno Womens Wave Sky 9 uses FOAM WAVE technology to create increased stability without sacrificing the softness.They have also made the outsole wider for improved stability and added in even more foam for improved plush softness.A smooth stretch woven upper envelops your feet in a breathable, comfort fabric to enhance the luxurious feeling of softness on your run. Weight 245gStack height 45 39mmHeel offset 6mmNitrogen infused ENERZY NXT midsole foamFOAM WAVE technologyWider outsole for improved stability. This shoe was crafted and enhanced for runners who love a cushioned running experience that almost feels like floating. The top midsole is now made from MIZUNO ENERZY NEXT (nitrogen infused) for even better cushioning and energy return. Together with the MIZUNO ENERZY NXT (EVA base) bottom midsole the result is a plush and stable max-cushioned shoe. MIZUNO ENERZY NXT: Mizuno's next-generation standard material made using eco-friendly resources that offers softness, excellent energy return, and a great light weight. It is equipped in the top midsole. MIZUNO ENERZY FOAM: MIZUNO ENERZY offering amazing cushioning and energy return is inserted in the bottom midsole. MIZUNO WAVE: Enhances stability during running without skimping on softness. Smooth Stretch Woven: Offers a soft, enveloping fit.